The most POPULAR stream recording software (free download):

• REPLAY MEDIA CATCHER
  the best audio/video stream ripper. Supports the most popular flash video format (RTMP and HTTP).
• REPLAY CAPTURE SUITE
  the best audio/video stream recording/capturing bundle
• REPLAY MUSIC
  the best streaming music recorder
• WM RECORDER
  the best Windows Media, Real Audio/Video stream capture software

Other RECOMMENDED software and services:

• REPLAY MEDIA GUIDE
  free service to find and record online radio, Internet TV, podcasts
• AVS VIDEO TOOLS
  convert, split, join, remove commercials, edit, rotate, apply effects, capture, transfer, copy, rip and burn DVD and video files
• EMUSIC
  the best legal music download service
• AUDIBLE
  download audio books, audio magazines, newspapers, radio programs
• SOUNDTAXI
  remove DRM protection from Windows Media, iTunes music and video files

Pay-per-view content is usually protected by Digital Rights Management (DRM) system. Some DRM protected streams can be recorded using streaming media recorders. If you have a valid license for your DRM protected recordings you may use DRM removal software to remove protection.

If you don't have a valid license or can't remove DRM protection for any other reason, use Screen capture software. Please note that some of these programs cannot record audio into the .AVI (or any other video file) from the microphone, line-in, speaker, or any other sound produced by your soundcard. And it is not a good idea to record audio and video separately because audio/video synchronizing is not an easy task.